/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.qlangtech.tis.sql.parser.er;

import com.qlangtech.tis.fullbuild.indexbuild.IDumpTable;
import com.qlangtech.tis.sql.parser.tuple.creator.EntityName;

import java.util.Collections;
import java.util.Map;
import java.util.Optional;

/**
 * @author 百岁（baisui@qlangtech.com）
 * @create: 2020-06-03 18:01
 */
public interface IPrimaryTabFinder {

    /**
     * 查找主表元信息
     *
     * @param entityName 可能是主表实体对象
     * @return
     */
    public default Optional<TableMeta> getPrimaryTab(IDumpTable entityName) {
        return Optional.empty();
    }

    default Map<EntityName, TabFieldProcessor> getTabFieldProcessorMap() {
        return Collections.emptyMap();
    }
}
